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package com.sun.corba.se.spi.servicecontext;

import org.omg.CORBA.SystemException;
import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;

import com.sun.corba.se.spi.orb.ORBVersion;
import com.sun.corba.se.spi.orb.ORBVersionFactory;

import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.spi.servicecontext.ServiceContext;
import com.sun.corba.se.impl.orbutil.ORBConstants;

public class ORBVersionServiceContext extends ServiceContext {

  public ORBVersionServiceContext() {
    version = ORBVersionFactory.getORBVersion();
  }

  public ORBVersionServiceContext(ORBVersion ver) {
    this.version = ver;
  }

  public ORBVersionServiceContext(InputStream is, GIOPVersion gv) {
    super(is, gv);
    // pay particular attention to where the version is being read from!
    // is contains an encapsulation, ServiceContext reads off the
    // encapsulation and leaves the pointer in the variable "in",
    // which points to the long value.

    version = ORBVersionFactory.create(in);
  }

  // Required SERVICE_CONTEXT_ID and getId definitions
  public static final int SERVICE_CONTEXT_ID = ORBConstants.TAG_ORB_VERSION;

  public int getId() {
    return SERVICE_CONTEXT_ID;
  }

  public void writeData(OutputStream os) throws SystemException {
    version.write(os);
  }

  public ORBVersion getVersion() {
    return version;
  }

  // current ORB Version
  private ORBVersion version = ORBVersionFactory.getORBVersion();

  public String toString() {
    return "ORBVersionServiceContext[ version=" + version + " ]";
  }
}
